package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.user.pojo.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;

import java.nio.charset.StandardCharsets;
import java.sql.Wrapper;
import java.util.HashMap;

/**
 * <p>
 * APP用户信息表 服务实现类
 * </p>
 *
 * @author itheima
 */
@Slf4j
@Service
@Transactional
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    @Override
    public ResponseResult login(LoginDto dto) {
        //走正常的登录 方式
        if (!StringUtils.isBlank(dto.getPhone()) && !StringUtils.isBlank(dto.getPassword())) {

            ApUser apUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, dto.getPhone()));
            if (null == apUser) {
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "用户不存在");
            }
            //得到盐来判断 来比对密码
            String salt = apUser.getSalt();
            String pswd = dto.getPassword();
             pswd = DigestUtils.md5DigestAsHex((pswd + salt).getBytes());
            if (!pswd.equals(apUser.getPassword())) {
                return
                        ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);

            }
            //返回数据,jwt
            HashMap<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));

            apUser.setSalt("");
            apUser.setPassword("");
            map.put("user", apUser);
            return ResponseResult.okResult(map);

        } else {
            //电话或密码有一个为空就走游客方式   同样返回token  id = 0
            HashMap<String, Object> hashMap = new HashMap<>();
            hashMap.put("token", AppJwtUtil.getToken(0L));
            return ResponseResult.okResult(hashMap);
        }
    }
}
